#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
void my_strcat(char* p1, char* p2)
{
	int i;
	while (*p1 != '\0')
	{
		p1++;
	}
	while (*p2 != '\0')
	{
		*p1++ = *p2++;
	}

}
int main()
{
	char arr1[20] = "hellow";
	char arr2[10] = " bite";
	my_strcat(arr1, arr2);
	printf("%s", arr1);
	return 0;
}